PM2.5 air pollution, population exposed to levels exceeding WHO guideline value (% of total) - World, Middle income, Lower middle income
Global Burden of Disease Study 2017 ( GBD 2017 ), Institute for Health Metrics and Evaluation ( IHME ), uri: ghdx.healthdata.org/gbd-2017, publisher: Institute for Health Metrics and Evaluation ( IHME ), date published: 202112
